package main

import (
	"fmt"
	"log"
	"os"
	"path/filepath"
	"regexp"
	"strings"
	"time"

	"code.osinet.fr/fgm/kurz/web/i18n"

	"github.com/spf13/cobra"
	"github.com/spf13/viper"
	"golang.org/x/text/language"
)

var cmd = &cobra.Command{
	Use:   "kurzd",
	Short: "kurzd is the Kurz daemon and back-office command",
	Long: `kurzd is the actual engine for Kurz. Use it as the server for your Kurz clients.
Configure it by copying dist.config.yml to ~/.kurz/config.yml and editing the copy.`,
}

var verbose bool

func initConfig() {
	viper.SetConfigName("config")
	viper.AddConfigPath(".")
	viper.AddConfigPath("$HOME/.kurz")
	err := viper.ReadInConfig()
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}
}

func init() {
	cobra.OnInitialize(initConfig)
	verbose = *cmd.PersistentFlags().BoolP("verbose", "v", false, "Add -v for verbose operation")
	setupI18n()
}

func setupI18n() {
	cwd, err := os.Getwd()
	if err != nil {
		panic(err)
	}
	t0 := time.Now()
	log.Printf("Finding message catalogs below %s\n", cwd)

	tags := []string{language.English.String(), language.French.String()}

	// Build the regex matching message file names.
	re := regexp.MustCompile("messages\\.(?:" + strings.Join(tags, "|") + ")\\.yaml")

	scanned := 0
	catalogCount := 0
	walkErr := filepath.Walk(cwd, func(path string, info os.FileInfo, err error) error {
		scanned++
		if err != nil {
			panic(err)
		}
		if info.IsDir() {
			return nil
		}

		if !re.MatchString(info.Name()) {
			return nil
		}

		_, err = i18n.Bundle.LoadMessageFile(path)
		catalogCount++
		return err
	})
	if walkErr != nil {
		panic(walkErr)
	}
	t1 := time.Now()
	diff := t1.Sub(t0)
	log.Printf("%d items scanned, %d catalogs loaded in %d msec\n", scanned, catalogCount, diff/time.Millisecond)
}